BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY BIOPHOTO ASSOCIATES / SCIENCE PHOTO LIBRARY
Mouldy bread. Close-up of various moulds growing on bread. The bread has become overgrown with fungal mycelium, a network of branching hyphae (thin threads). Some of the hyphae bear fruiting bodies, or sporangia (black dots), the reproductive part of the fungi that contain spores, the reproductive cell.
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